diff --git a/.readthedocs.yaml b/.readthedocs.yaml
index dbbf15b..97b38dc 100644
--- a/.readthedocs.yaml
+++ b/.readthedocs.yaml
@@ -16,5 +16,5 @@ python:
     - path: .
     - requirements: requirements_dev.txt
     - method: pip
-      packages:
+    - packages:
         - IPython>=7.0
\ No newline at end of file